1  /* { dg-do run } */
       2  /* { dg-options "-O" } */
       3  /* { dg-require-effective-target indirect_jumps } */
       4  
       5  #include <setjmp.h>
       6  
       7  extern void abort (void);
       8  
       9  jmp_buf buf;
      10  
      11  void raise0(void)
      12  {
      13    __builtin_longjmp (buf, 1);
      14  }
      15  
      16  int execute(int cmd)
      17  {
      18    int last = 0;
      19  
      20    __builtin_setjmp (buf);
      21  
      22    if (last == 0)
      23      while (1)
      24        {
      25  	last = 1;
      26  	raise0 ();
      27        }
      28  
      29    if (last == 0)
      30      return 0;
      31    else
      32      return cmd;
      33  }
      34  
      35  int main(void)
      36  {
      37    if (execute (1) == 0)
      38      abort ();
      39  
      40    return 0;
      41  }